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Sample Information

SWA004
SWA004
Netherlands_Swifterbant_EN
4105 BC
M
Netherlands
-
Swifterbant S2 (Flevoland, Dronten, Swifterbant); Swifterbant S2; Swifterbant; Dronten, Flevoland

Haplogroups

I2a1a2
U5b2a1a2
I L758 M170 P215 CTS2257 L460 P37 M423 S2770 V4921
4200-4000 BCE

Ancestry Components

Estimated ancestral proportions from ancient reference populations
ANF
55.1%
WHG
38.1%
Steppe
4.7%
EHG
2.1%

Publication

Olalde et al. 2026; OlaldeReichNature2026

G25 Coordinates

Download the G25 scaled coordinates for this sample to use in calculators like GEDmatch, Vahaduo, or our own calculators.

Download G25 (.txt)

G25 Ancestry Model Cached

Poor · Distance: 0.0408

Model based on Davidski's G25 standard reference populations (nMonte-style optimization).

TUR_Barcin_N 53.9%
WHG 46.1%

Ancient Population Distances

Closest ancient reference populations
Belgium_MLN
0.0255
Belgium_MLN
0.0337
Belgium_MLN
0.0383
Belgium_MLN
0.0386
Czechia_C_Baalberge_o1
0.0405
Belgium_MLN
0.0407
Belgium_MLN
0.0409
Belgium_MLN
0.0409
Belgium_MLN
0.0417
Belgium_MLN
0.0452
Belgium_Pommerœul_LN
0.0504
Belgium_MLN
0.0549
Czechia_EBA_CordedWare_o2
0.0672
Denmark_Jutland_Pre_Roman_IA
0.0677
Czechia_N_Rivnac_oWHG
0.0680
Denmark_Falster_N
0.0702
Czechia_N_Jordanow
0.0770
Czechia_N_GlobularAmphora
0.0784
Denmark_Funen_N
0.0804
Czechia_N_GlobularAmphora
0.0817

Modern Population Genetic Proximity

Heatmap based on G25 Euclidean distance to 3,000+ modern populations

Archaeological Site Location

52.5839, 5.5817

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